GB2394827B - Magnetic detecting element having antiferromagnetic film having predetermined space in track width direction and method for manufacturing the same - Google Patents

Magnetic detecting element having antiferromagnetic film having predetermined space in track width direction and method for manufacturing the same

Info

Publication number
GB2394827B
GB2394827B GB0322332A GB0322332A GB2394827B GB 2394827 B GB2394827 B GB 2394827B GB 0322332 A GB0322332 A GB 0322332A GB 0322332 A GB0322332 A GB 0322332A GB 2394827 B GB2394827 B GB 2394827B
Authority
GB
United Kingdom
Prior art keywords
manufacturing
width direction
same
detecting element
predetermined space
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB0322332A
Other versions
GB0322332D0 (en
GB2394827A (en
Inventor
Naoya Hasegawa
Eiji Umetsu
Masamichi Saito
Yosuke Ide
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alps Alpine Co Ltd
Original Assignee
Alps Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Publication of GB0322332D0 publication Critical patent/GB0322332D0/en
Publication of GB2394827A publication Critical patent/GB2394827A/en
Application granted granted Critical
Publication of GB2394827B publication Critical patent/GB2394827B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
    • G01R33/09—Magnetoresistive devices
    • G01R33/093—Magnetoresistive devices using multilayer structures, e.g. giant magnetoresistance sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/11—Magnetic recording head
    • Y10T428/1107—Magnetoresistive
    • Y10T428/1121—Multilayer
    • Y10T428/1129—Super lattice [e.g., giant magneto resistance [GMR] or colossal magneto resistance [CMR], etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/11—Magnetic recording head
    • Y10T428/1107—Magnetoresistive
    • Y10T428/1143—Magnetoresistive with defined structural feature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/11—Magnetic recording head
    • Y10T428/115—Magnetic layer composition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/11—Magnetic recording head
    • Y10T428/1157—Substrate composition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/11—Magnetic recording head
    • Y10T428/1171—Magnetic recording head with defined laminate structural detail
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/11—Magnetic recording head
    • Y10T428/1193—Magnetic recording head with interlaminar component [e.g., adhesion layer, etc.]

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Hall/Mr Elements (AREA)
  • Magnetic Heads (AREA)
  • Thin Magnetic Films (AREA)
GB0322332A 2002-10-07 2003-09-24 Magnetic detecting element having antiferromagnetic film having predetermined space in track width direction and method for manufacturing the same Expired - Fee Related GB2394827B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002293350 2002-10-07
JP2003048716A JP2004186658A (en) 2002-10-07 2003-02-26 Magnetic detecting element and its manufacturing method

Publications (3)

Publication Number Publication Date
GB0322332D0 GB0322332D0 (en) 2003-10-22
GB2394827A GB2394827A (en) 2004-05-05
GB2394827B true GB2394827B (en) 2005-09-28

Family

ID=29272408

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0322332A Expired - Fee Related GB2394827B (en) 2002-10-07 2003-09-24 Magnetic detecting element having antiferromagnetic film having predetermined space in track width direction and method for manufacturing the same

Country Status (3)

Country Link
US (1) US7045224B2 (en)
JP (1) JP2004186658A (en)
GB (1) GB2394827B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7362546B2 (en) * 2003-02-26 2008-04-22 Alps Electric Co., Ltd Spin-valve magnetoresistive element having fixed magnetic layer of epitaxal laminate including magnetic layer and nonmagnetic layer
JP3961496B2 (en) 2003-04-18 2007-08-22 アルプス電気株式会社 CPP type giant magnetoresistive head
JP2005101423A (en) * 2003-09-26 2005-04-14 Alps Electric Co Ltd Magnetic detecting element and its manufacturing method
US7504038B2 (en) * 2004-02-26 2009-03-17 Hitachi Global Storage Technologies Netherlands B.V. System, method, and apparatus for mechanically releasable slider processing including lapping, air bearing patterning, and debonding
US7180716B2 (en) * 2004-03-30 2007-02-20 Headway Technologies, Inc. Fabrication method for an in-stack stabilized synthetic stitched CPP GMR head
US20050264951A1 (en) * 2004-05-28 2005-12-01 Hitachi Global Storage Technologies Dual CPP GMR with synthetic free layer
US7688555B2 (en) * 2004-06-15 2010-03-30 Headway Technologies, Inc. Hard bias design for extra high density recording
JP2006005278A (en) * 2004-06-21 2006-01-05 Alps Electric Co Ltd Magnetic detecting element
JP2006005282A (en) * 2004-06-21 2006-01-05 Alps Electric Co Ltd Magnetic detecting element
DE102004032484B3 (en) * 2004-07-05 2005-11-24 Infineon Technologies Ag Sensor and method for manufacturing a sensor
WO2007040167A1 (en) 2005-10-03 2007-04-12 Nec Corporation Magnetic random access memory
CN102707246B (en) * 2011-03-28 2016-01-20 新科实业有限公司 Measure the method for longitudinal bias field in tunnel magneto resistance sensor
US8822046B2 (en) 2012-04-30 2014-09-02 Seagate Technology Llc Stack with wide seed layer
US9129622B2 (en) * 2013-03-15 2015-09-08 Tdk Corporation CPP-type magnetoresistance effect element and magnetic disk device
US9177588B2 (en) 2014-01-17 2015-11-03 HGST Netherlands B.V. Recessed IRMN reader process
JP6747836B2 (en) * 2016-03-23 2020-08-26 アルプスアルパイン株式会社 Magnetic sensor and manufacturing method thereof
WO2019142634A1 (en) * 2018-01-17 2019-07-25 アルプスアルパイン株式会社 Magnetic detection device and method for manufacturing same
JP6978518B2 (en) * 2018-01-17 2021-12-08 アルプスアルパイン株式会社 Magnetic detector and its manufacturing method
JP7136137B2 (en) * 2020-01-29 2022-09-13 Tdk株式会社 Magnetic sensor, magnetic detection device and magnetic detection system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000163717A (en) * 1998-11-24 2000-06-16 Fujitsu Ltd Magnetoresistance effect element
US20020069511A1 (en) * 2000-12-11 2002-06-13 Alps Electric Co., Ltd. Method for manufacturing exchange bias type magnetic field sensing element

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2931523B2 (en) 1994-06-24 1999-08-09 ティーディーケイ株式会社 Method for manufacturing thin-film magnetic head
US5949623A (en) 1997-09-11 1999-09-07 International Business Machines Corporation Monolayer longitudinal bias and sensor trackwidth definition for overlaid anisotropic and giant magnetoresistive heads
JP3710324B2 (en) * 1999-06-03 2005-10-26 アルプス電気株式会社 Spin valve thin film magnetic element, thin film magnetic head, and method of manufacturing spin valve thin film magnetic element
JP4349501B2 (en) 1999-06-25 2009-10-21 株式会社日立プラズマパテントライセンシング Driving method of plasma display panel
JP2001216612A (en) * 2000-01-31 2001-08-10 Alps Electric Co Ltd Spin valve type thin film magnetic element and thin film magnetic head provided with the same
JP2001256617A (en) 2000-03-14 2001-09-21 Matsushita Electric Ind Co Ltd Thin-film magnetic head and method of manufacture
JP2003162806A (en) * 2001-11-27 2003-06-06 Hitachi Ltd Perpendicular magnetic recording medium and magnetic storage device
US6751072B2 (en) * 2002-03-21 2004-06-15 Hitachi Global Storage Technologies Netherlands B.V. High magnetoresistance spin valve sensor with self-pinned antiparallel (AP) pinned layer structure
JP2004186659A (en) * 2002-10-07 2004-07-02 Alps Electric Co Ltd Magnetic detecting element
US7362546B2 (en) * 2003-02-26 2008-04-22 Alps Electric Co., Ltd Spin-valve magnetoresistive element having fixed magnetic layer of epitaxal laminate including magnetic layer and nonmagnetic layer
JP3974587B2 (en) * 2003-04-18 2007-09-12 アルプス電気株式会社 CPP type giant magnetoresistive head

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000163717A (en) * 1998-11-24 2000-06-16 Fujitsu Ltd Magnetoresistance effect element
US20020069511A1 (en) * 2000-12-11 2002-06-13 Alps Electric Co., Ltd. Method for manufacturing exchange bias type magnetic field sensing element

Also Published As

Publication number Publication date
US7045224B2 (en) 2006-05-16
GB0322332D0 (en) 2003-10-22
US20050276997A1 (en) 2005-12-15
GB2394827A (en) 2004-05-05
JP2004186658A (en) 2004-07-02

Similar Documents

Publication Publication Date Title
GB2394827B (en) Magnetic detecting element having antiferromagnetic film having predetermined space in track width direction and method for manufacturing the same
GB2390168B (en) GMR magnetic detecting element and a method of manufacturing the detecting element
SG113516A1 (en) Perpendicular magnetic recording medium and a method for manufacturing the same
HK1080605A1 (en) Method for manufacturing magnetic sensor, magnet array used in the method, and method for manufacturing the magnet array
EP1580821A4 (en) Magnetoresistance effect element, magnetic memory element, magnetic memory device, and their manufacturing method
HK1088128A1 (en) Apparatus and method for the magnetic levitation element
GB2355018B (en) Magnetic recording media with antiferromagnetically coupled ferromagnetic films as the recording layer
SG118167A1 (en) Perpendicular magnetic recording medium and a method for manufacturing the same
GB2339294B (en) Differential solenoidal magnetic field sensing device and method for manufacturing the same
EP1647830A4 (en) Three-dimensional magnetic direction sensor, and magneto-impedance sensor element
SG118168A1 (en) Perpendicular magnetic recording medium and a method for manufacturing the same
GB2404490B (en) Exchange-coupled film and magnetic sensing element
TWI349980B (en) Magnetoresistive random access memory device structures and methods for fabricating the same
SG115622A1 (en) Magnetoresistive device with exchange-coupled structure having half-metallic ferromagnetic heusler alloy in the pinned layer
SG121841A1 (en) Perpendicular magnetic recording medium and a method for manufacturing the same
EP1408562A4 (en) Magnetic sensor and method for manufacturing the same
GB2392508B (en) Magnetic detecting element having ß-values selected for free magnetic layer and pinned magnetic layer
SG112813A1 (en) Recording medium and method for manufacturing the same
EP1526588A4 (en) Magnetoresistance effect element and magnetic memory unit
AU2003235110A1 (en) Magnetoresistive element, manufacturing method thereof, magnetic head, magnetic memory, and magnetic recording device using the same
SG100643A1 (en) Perpendicular magnetic recording medium and a manufacturing method for the same
SG123545A1 (en) Magnetic recording medium and a method for manufacturing the same
AU2003254190A1 (en) Enhanced giant magnetoresistance device and method
SG108308A1 (en) Longitudinal magnetic recording medium and a method for manufacturing the same
EP1662520A4 (en) Magnetic bias film and magnetic sensor using the same

Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 20090305

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100924